Home / 69,307.18-103,973.58-21,934.19

Finding the Fourth Proportional to 69,307.18, 103,973.58 and 21,934.19

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Solution

The fourth proportional to 69,307.18, 103,973.58 and 21,934.19 is: 32,905.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,307.18 : 103,973.58 = 21,934.19 : x
  2. Step 2: Convert to fraction form
    69,307.18/103,973.58 = 21,934.19/x
  3. Step 3: Cross multiply
    69,307.18x = 103,973.58 × 21,934.19
  4. Step 4: Simplify right side
    69,307.18x = 2,280,576,518.63
  5. Step 5: Solve for x
    x = 2,280,576,518.63/69,307.18
  6. Step 6: Final answer
    x = 32,905.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.